How To Debug WordPress Pending Plugin Update?

Do you have a WordPress site that claims to have a Plugin or Theme update when all plugins are up to date?
The debugging code, contributed by Kevin Leary, among this article might show that specific update or Theme is creating the update accessible, detect among your WordPress installation.
To find out that plugin’s or theme is creating the unfinished update notification in your WordPress installation, add the following code to your functions.php file of the currently active theme or child theme.
Once saved in your function file, add to ?debug_updates your WordPress backend after /wp-admin/.
Example: http://yourwebsite.com/wp admin/?.debug_upgrades